import random

random.seed(1)

menu = ['清蒸鲈鱼', '宫保鸡丁', '鱼香肉丝', '蚂蚁上树', '水煮肉片', '西红柿炖牛腩', '干锅牛蛙', '杀猪菜']

tup = enumerate(menu, 1)

prices = []
for i, j in tup:
    prices.append([j, int(100 * i * random.random() // 10 * 10 + 10)])
print(prices)

print(prices.pop(1))
print(prices)

prices[2][1] = 88
print(prices)

n = 1
for el in prices:
    print('order #{} {} Y{}'.format(n, el[0], el[1]))
    n += 1
